220202112212 has 12 divisors (see below), whose sum is σ = 391670970516. Its totient is φ = 108296120640.

The previous prime is 220202112187. The next prime is 220202112281. The reversal of 220202112212 is 212211202022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51548977936 + 168653134276 = 227044^2 + 410674^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451233593 + ... + 451234080.

It is an arithmetic number, because the mean of its divisors is an integer number (32639247543).

Almost surely, 2^220202112212 is an apocalyptic number.

It is an amenable number.

220202112212 is a deficient number, since it is larger than the sum of its proper divisors (171468858304).

220202112212 is a wasteful number, since it uses less digits than its factorization.

220202112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902467738 (or 902467736 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220202112212 its reverse (212211202022), we get a palindrome (432413314234).

The spelling of 220202112212 in words is "two hundred twenty billion, two hundred two million, one hundred twelve thousand, two hundred twelve".